mirror_ubuntu-kernels/Documentation/devicetree/bindings/watchdog/men-a021-wdt.txt

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Bindings for MEN A21 Watchdog device connected to GPIO lines
Required properties:
- compatible: "men,a021-wdt"
- gpios: Specifies the pins that control the Watchdog, order:
1: Watchdog enable
2: Watchdog fast-mode
3: Watchdog trigger
4: Watchdog reset cause bit 0
5: Watchdog reset cause bit 1
6: Watchdog reset cause bit 2
Optional properties:
- None
Example:
watchdog {
compatible ="men,a021-wdt";
gpios = <&gpio3 9 1 /* WD_EN */
&gpio3 10 1 /* WD_FAST */
&gpio3 11 1 /* WD_TRIG */
&gpio3 6 1 /* RST_CAUSE[0] */
&gpio3 7 1 /* RST_CAUSE[1] */
&gpio3 8 1>; /* RST_CAUSE[2] */
};